The RE and composition of trace elements analysis show that phosphorite-ores are rich in ∑ RE concentration generally in Xinhua, Zhijin.The phosphorites were measured to gather LRE and HRE element.It is higher than o...The RE and composition of trace elements analysis show that phosphorite-ores are rich in ∑ RE concentration generally in Xinhua, Zhijin.The phosphorites were measured to gather LRE and HRE element.It is higher than other rocks.The phosphorite has enriched Y, La and Nd chemical element.There are leading characteristics of concentrated La, LRE and Y, HRE.The chondrite-normalized RE element patterns of the Xinhua dolomitic phosphorite distribute mode for rightwards type to one side of the curve.LRE/HRE ＞ 1, (La/Sm)N ＞ (Gd/Yb)N, and all indicate that LRE content is higher than HRE.The test mode of chemical analysis of single mineral, chemistry phase analysis, scan electric analysis and micro-electronics probe analysis were adopted.The chart of EDAX showed that there was representative element-Y(RE) in exsiting.There was no independent mineral of the RE.It is show that part of the few rare earth chemical element is adsorbed by the clay mineral, much for the type of quality isomorphic form exist in the apatite crystal structure of phosphorite inside.展开更多
This article discusses in detail chemical composition, molecular structure, microstructure phenomena, estimate of the palaeo-stress, paleo-temperature and the strain rate to deepen the knowledge for the correlation of...This article discusses in detail chemical composition, molecular structure, microstructure phenomena, estimate of the palaeo-stress, paleo-temperature and the strain rate to deepen the knowledge for the correlation of coal deformation and metamorphism with structural environment in Xinhua Hunan by coal quality analysis, XRD and SEM methods, which provide dependable theoretical foundation for coal resource exploitation and utilization. The results show that 1) d002 value of six coal samples is from 3.36 to 3.39 nm, coal resolved itself into aphanitic graphite with the increase of coal rank during coalification, which is characterized by graphite flakes, and the crystallite size is from 50 nm to 250 nm;A certain degree of 3R-structure content is increases and the crystallite size is extend with the coalification process, but RH-structure content is decreased;2) the tectonic environment of research area belongs to the ductile-brittle deformation, which was characterized by low temperature, low stress, high strain rate;3) Tianlongshan magmatic intrusion provided heat source, its side-extrusion made the molecules structure of coal ordering, distance between layers decreased, finally it caused the formation of aphanitic graphite.展开更多
The paper firstly discussed the strategic implication of the establishment of China Xinhua News Network Co. Ltd. （referred to as CNC in the paper）. Then, the paper explored the opportunity and threat in the CNC＇s c...The paper firstly discussed the strategic implication of the establishment of China Xinhua News Network Co. Ltd. （referred to as CNC in the paper）. Then, the paper explored the opportunity and threat in the CNC＇s competitive environment, and evaluated the news TV competitiveness of CNC compared with world main news network media based on Delphi method. Based on the strategic management framework of SWOT （strength, weakness, opportunity, and threat）, the paper proposed the developmental strategies of transnational business operation for CNC from the following three area： further expand the coverage and the number of countries entered by CNC, enhance brand effects across the world, and build more new technology experience in the world.展开更多
基金Projbect supported by the National Natural Science Foundation of China(50164001 )
文摘The RE and composition of trace elements analysis show that phosphorite-ores are rich in ∑ RE concentration generally in Xinhua, Zhijin.The phosphorites were measured to gather LRE and HRE element.It is higher than other rocks.The phosphorite has enriched Y, La and Nd chemical element.There are leading characteristics of concentrated La, LRE and Y, HRE.The chondrite-normalized RE element patterns of the Xinhua dolomitic phosphorite distribute mode for rightwards type to one side of the curve.LRE/HRE ＞ 1, (La/Sm)N ＞ (Gd/Yb)N, and all indicate that LRE content is higher than HRE.The test mode of chemical analysis of single mineral, chemistry phase analysis, scan electric analysis and micro-electronics probe analysis were adopted.The chart of EDAX showed that there was representative element-Y(RE) in exsiting.There was no independent mineral of the RE.It is show that part of the few rare earth chemical element is adsorbed by the clay mineral, much for the type of quality isomorphic form exist in the apatite crystal structure of phosphorite inside.
文摘This article discusses in detail chemical composition, molecular structure, microstructure phenomena, estimate of the palaeo-stress, paleo-temperature and the strain rate to deepen the knowledge for the correlation of coal deformation and metamorphism with structural environment in Xinhua Hunan by coal quality analysis, XRD and SEM methods, which provide dependable theoretical foundation for coal resource exploitation and utilization. The results show that 1) d002 value of six coal samples is from 3.36 to 3.39 nm, coal resolved itself into aphanitic graphite with the increase of coal rank during coalification, which is characterized by graphite flakes, and the crystallite size is from 50 nm to 250 nm;A certain degree of 3R-structure content is increases and the crystallite size is extend with the coalification process, but RH-structure content is decreased;2) the tectonic environment of research area belongs to the ductile-brittle deformation, which was characterized by low temperature, low stress, high strain rate;3) Tianlongshan magmatic intrusion provided heat source, its side-extrusion made the molecules structure of coal ordering, distance between layers decreased, finally it caused the formation of aphanitic graphite.
文摘The paper firstly discussed the strategic implication of the establishment of China Xinhua News Network Co. Ltd. （referred to as CNC in the paper）. Then, the paper explored the opportunity and threat in the CNC＇s competitive environment, and evaluated the news TV competitiveness of CNC compared with world main news network media based on Delphi method. Based on the strategic management framework of SWOT （strength, weakness, opportunity, and threat）, the paper proposed the developmental strategies of transnational business operation for CNC from the following three area： further expand the coverage and the number of countries entered by CNC, enhance brand effects across the world, and build more new technology experience in the world.
